Jdiesel25 Posted December 30, 2013 Share Posted December 30, 2013 I have a 2007 granite w an mp7 it has very low power feels like fuel filters are clogged (changed filters, fuel pump, hand pump, foot pedal etc) no luck. If you get in it and put it to the floor rpms go up very very slow also if you drive it 20 mph topsAny ideas? Thanks! Quote Link to comment Share on other sites More sharing options...
hicrop10 Posted December 30, 2013 Share Posted December 30, 2013 Joe,i would think if you check changed all the mech things like filters and so worth i would say it has to do with the computor or an electric gisbott on the truck.You may end up going to the dealer. Quote Link to comment Share on other sites More sharing options...
hicrop10 Posted December 30, 2013 Share Posted December 30, 2013 Joe does that truck have a fuel & air switch?Does it smoke much? Quote Link to comment Share on other sites More sharing options...
Challenger Posted December 30, 2013 Share Posted December 30, 2013 How did you change the hand pump? Primer pumps are part of the fuel filter housing.Is the malfunction light on?Check where the fuel goes into the top side of the EECU cooler. Its a 90 degree fitting that trash can caught in and cause low fuel pressure. Quote Link to comment Share on other sites More sharing options...
Jdiesel25 Posted December 31, 2013 Author Share Posted December 31, 2013 It was the boost control sensor. Thanks! Quote Link to comment Share on other sites More sharing options...
rickykarenpr Posted December 31, 2013 Share Posted December 31, 2013 check the injector sensor Quote Link to comment Share on other sites More sharing options...
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